Ken Greenwood <br/><br/>
Sams Teach Yourself ABAP/4 in 21 days 

 - 730p.  
<br/><br/><label>ISBN: </label>8176351628 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information Science ABAP/4, Information Science 
<br/><br/><label>Dewey Class. No.: </label>